MQ Multiquip C30HDZ Operating instructions

Brand: MQ Multiquip

Model: C30HDZ

Type: Operating instructions

OPERATION MANUAL

THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

Revision #14 (01/12/21)

SERIES

MODEL C30HDZ

BALL VALVE CONCRETE PUMP

(DEUTZ F2L1011F DIESEL ENGINE)

To ﬁnd the latest revision of this publication or

associated parts manual, visit our website at:

www.multiquip.com

PAGE 2 — MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21)

PROPOSITION 65 WARNING

MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21) — PAGE 3

Grinding/cutting/drilling of masonry, concrete, metal and

other materials with silica in their composition may give

off dust or mists containing crystalline silica. Silica is a

basic component of sand, quartz, brick clay, granite and

numerous other minerals and rocks. Repeated and/or

substantial inhalation of airborne crystalline silica can

cause serious or fatal respiratory diseases, including

silicosis. In addition, California and some other

authorities have listed respirable crystalline silica as a

substance known to cause cancer. When cutting such

materials, always follow the respiratory precautions

mentioned above.

WARNING

Grinding/cutting/drilling of masonry, concrete, metal and

other materials can generate dust, mists and fumes

containing chemicals known to cause serious or fatal

injury or illness, such as respiratory disease, cancer,

birth defects or other reproductive harm. If you are

unfamiliar with the risks associated with the particular

process and/or material being cut or the composition of

the tool being used, review the material safety data

sheet and/or consult your employer, the material

manufacturer/supplier, governmental agencies such as

OSHA and NIOSH and other sources on hazardous

materials. California and some other authorities, for

instance, have published lists of substances known to

cause cancer, reproductive toxicity, or other harmful

effects.

Control dust, mist and fumes at the source where

possible. In this regard use good work practices and

follow the recommendations of the manufacturers or

suppliers, OSHA/NIOSH, and occupational and trade

associations. Water should be used for dust

suppression when wet cutting is feasible. When the

hazards from inhalation of dust, mists and fumes cannot

be eliminated, the operator and any bystanders should

always wear a respirator approved by NIOSH/MSHA for

the materials being used.

WARNING

SILICOSIS WARNING RESPIRATORY HAZARDS

SILICOSIS/RESPIRATORY WARNING

PAGE 4 — MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21)

MAYCO C30HDZ

CONCRETE PUMP

Proposition 65 Warning ..............................................2

Silicosis Warning ........................................................ 3

Table of Contents .......................................................4

Pump Specifications ...................................................5

Engine Specifications .................................................5

Pump Dimensions ......................................................6

Safety Message Alert Symbols .............................. 7-8

Rules for Safe Operation ..................................... 9-11

Towing Guidelines .............................................. 13-14

Trailer Safety Guidelines .................................... 15-17

Operation And Safety Decals ...................................19

Important Hand Signals ...........................................20

Pump Components ............................................ 21-22

Control Box Components .........................................23

Engine Components ................................................24

General Information .................................................25

How it Works ...................................................... 26-27

Operating Information ........................................ 28-32

Inspection ........................................................... 33-34

Startup/Shutdown Procedures.................................35

Maintenance (Pump) ......................................... 36-44

Engine Troubleshooting...................................... 45-46

Wiring Diagram ........................................................47

Wiring Diagram (Trailer Lights) ................................48

Appendix —

Slump Test Procedure ........................................49

Concrete Mix Information ............................ 50-52

Recommended Shotcrete System ............... 53-54

Recommended Shotcrete Accessories........ 55-56

TABLE OF CONTENTS

Specification and part

number are subject to change

without notice.

NOTE

MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21) — PAGE 5

PUMP SPECIFICATIONS

Table 1. C-30HDZ Pump Speciﬁcations

Pump Type Reciprocating Piston

Pumping Rate Up to 25 cu. yds. per hour*

Vertical Pumping Height Up to 150 ft. (45.73 m)

Horizontal Pumping Distance 400 - 500 ft. (122 - 152 m)*

Max. Concrete Piston Face

Pressure

500 PSI

Maximum Aggregate Size 1/2 in. minus (12.7 mm)

Hopper Capacity 6 cu. ft. etc.

Material Hose

2" or 2-1/2"

(50.8 or 63.5 mm)

Weight 2,950 lbs. (1,338 Kg)

Lube oil Box 7 Gallons (26.5 Liters)

Remote Control 125 ft. cable Standard

Tire Size

7.35" x 14"

(187 x 356 mm)

* Volume output will vary depending on mix design, slump, line size

used and job site conditions.

TABLE 2. ENGINE SPECIFICATIONS

Model

DEUTZ F2L1011F ENGINE

Type

Air/Oil-Cooled, Direct Injected, 4 Cycle Diesel

w/ Integrated Cooling System

Bore X Stroke

3.6 x 4.1 in.

(91 x 104 mm)

Compression Ratio 19.0 : 1

Cylinders 2

Displacement 41.7 cu. in. (0.68 L)

Intermittent Output 27 H.P. @ 2750 R.P.M.

Maximum Torque 59 lbs. per ft. @ 2550 R.P.M.

Fuel Tank Capacity Approx. 11 U.S. Gallons (43 L)

Fuel Type No. 2 Diesel

Fuel C

onsumption at Max. Rating

1.7 gal. per hour

(6.5 L per hour)

Fuel Consumption at Max. Torque

1.1 gal. per hour

(4.2 L per hour)

Lube Oil Capacity 6.8 qt. (6.5 L)

Minimum Idle Speed 900 RPMs

Air Cleaner Dry Type

Starting Method Electric Start

Dimensions (LxWxH)

19.0 x 18.0 x 27.0 in.

(483 x 457 x 686 mm)

Weight 367.4 lbs. (167 kg)

PAGE 6 — MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21)

PUMP DIMENSIONS

Figure 1. C30HDZ Concrete Pump Dimensions

MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21) — PAGE 7

SAFETY MESSAGE ALERT SYMBOLS

Safety precautions should be followed at all times when operating

this equipment. Failure to read and understand the Safety

Messages and Operating Instructions could result in injury to

yourself and others.

FOR YOUR SAFETY AND THE SAFETY OF OTHERS!

SAFETY MESSAGE ALERT SYMBOLS

The three (3) Safety Messages shown below will inform you

about potential hazards that could injure you or others. The Safety

Messages specifically address the level of exposure to the

operator, and are preceded by one of three words: DANGER,

WARNING, or CAUTION.

You WILL be KILLED or SERIOUSLY injured if you do

not follow directions.

You COULD be KILLED or SERIOUSLY injured if you

do not follow directions.

You CAN be injured if you do not follow directions

HAZARD SYMBOLS

Gasoline engine exhaust gases contain

poisonous carbon monoxide. This gas is

colorless and odorless, and can cause

death if inhaled. NEVER operate this

equipment in a confined area or enclosed

structure that does not provide ample free flow air.

Potential hazards associated with operation of the pump will be

referenced with Hazard Symbols which appear throughout this

manual, and will be referenced in conjunction with Safety

Message Alert Symbols. Some examples are listed below:

Gasoline

is extremely flammable, and its

vapors can cause an explosion if ignited.

DO NOT start the engine near spilled fuel

or combustible fluids. DO NOT fill the fuel

tank while the engine is running or hot.

DO NOT overfill tank, since spilled fuel

could ignite if it comes into contact with hot engine parts or

sparks from the ignition system. Store fuel in approved

containers, in well-ventilated areas and away from sparks and

flames. NEVER use fuel as a cleaning agent.

Engine components can generate extreme

heat. To prevent burns, DO NOT touch these

areas while the engine is running or

immediately after operations. NEVER operate

the engine with heat shields or heat guards

removed.

WARNING

DANGER

CAUTION

WARNING - LETHAL EXHAUST GASES

WARNING - BURN HAZARDS

WARNING - EXPLOSIVE FUEL

NOTE

This Owner's Manual has been

developed to provide complete

instructions for the safe and efficient

operation of the Mayco Model

C30HDZ Concrete Pump.

Refer to the engine manufacturers instructions for data relative

to its safe operation.

Before using this pump, ensure that the operating individual

has read and understands all instructions in this manual.

PAGE 8 — MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21)

SAFETY MESSAGE ALERT SYMBOLS

ALWAYS place the Engine ON/OFF switch

in the OFF position and remove the ignition

key when the pump is not in use.

ALWAYS wear approved

respiratory

protection.

ALWAYS wear approved

eye

and

hearing

protection.

Other important messages are provided throughout this manual

to help prevent damage to your concrete pump, other property,

or the surrounding environment.

This

pump

, other property, or the

surrounding environment could

be damaged if you do not follow

instructions.

NOTE

NEVER tamper with the factory settings of

the engine governor or settings. Personal

injury and damage to the engine or

equipment can result if operating in speed

ranges above maximum allowable.

CAUTION - OVER-SPEED CONDITIONS

CAUTION - ACCIDENTAL STARTING

CAUTION - RESPIRATORY HAZARDS

CAUTION - SIGHT AND HEARING HAZARDS

CAUTION - EQUIPMENT DAMAGE MESSAGES

NEVER operate equipment with covers,

or guards removed. Keep

fingers

hands

hair

and clothing away from all moving

parts to prevent injury.

WARNING - ROTATING PARTS

DO NOT operate at pressures exceeding the rating of the

entire material delivery system.

Use snap pins on all snap couplings.

WARNING

MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21) — PAGE 9

RULES FOR SAFE OPERATION

The following safety guidelines should always be used when

operating the Mayco C30HDZ Concrete Pump:

General Safety

■

DO NOT operate or service this equipment

before reading this entire manual.

■

ALWAYS read, understand, and follow

procedures in Operator’s Manual before

attempting to operate equipment.

■

ALWAYS be sure the operator is familiar with proper safety

precautions and operations techniques before using pump

■

This equipment should not be operated by persons under 18

years of age.

■

ALWAYS read, understand and follow procedures in

Operator’s Manual before attempting to operate equipment.

■

ALWAYS be sure the operator is familiar with proper safety

precautions and operations techniques before using pump

■

NEVER operate this equipment without proper protective

clothing, shatterproof glasses, steel-toed boots and other

protective devices required by the job.

Failure to follow instructions in this manual may lead to serious

injury or even death! This equipment is to be operated by

trained and qualified personnel only! This equipment is for

industrial use only.

■

ALWAYS wear proper respiratory (mask),

hearing and eye protection equipment when

operating the concrete pump.

■

NEVER operate this equipment when not feeling

well due to fatigue, llness or taking medicine.

■

NEVER operate this equipment under the

influence of

drugs

alcohol

DANGER - Read This Manual!

■

Whenever necessary, replace nameplate, operation and safety

decals when they become difficult read.

■

Manufacture does not assume responsibility for any accident

due to equipment modifications.

■

NEVER use accessories or attachments, which are not

recommended by Multiquip for this equipment. Damage to the

equipment and/or injury to user may result.

■

NEVER touch the hot exhaust manifold, muffler or cylinder.

Allow these parts to cool before servicing engine or

concrete pump.

■

High Temperatures – Allow the engine

to cool before adding fuel or performing

service and maintenance functions.

Contact with

hot!

components can cause

serious burns.

■

The engine section of this concrete pump requires an

adequate free flow of cooling air.

NEVER

operate the concrete

pump in any enclosed or narrow area where free flow of the

air is restricted. If the air flow is

restricted it will cause serious

damage to the concrete pump

or engine and may cause injury

to people. Remember the

concrete pump's engine gives

off

DEADLY

carbon monoxide

gas.

■

ALWAYS refuel in a well-ventilated area, away from sparks

and open flames.

■

ALWAYS use extreme caution when working with flammable

liquids. When refueling, stop the engine and allow it to cool.

DO NOT

smoke

around or near the machine. Fire or

explosion could result from fuel vapors, or if fuel is spilled on

a hot engine.

■

NEVER operate the concrete pump in an

explosive atmosphere or near

combustible materials. An explosion or fire

could result causing severe

bodily harm

or even death.

■

Topping-off to filler port is dangerous, as it tends to spill fuel.

■

Stop the engine when leaving the concrete pump unattended.

■

DO NOT leave the pump unattended. Use chock blocks if

parking pump on a grade.

■

Maintain this equipment in a safe operating condition at all

times.

PAGE 10 — MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21)

RULES FOR SAFE OPERATION

■

CAUTION must always be observed while servicing this

pump. Rotating parts can cause injury if contacted.

■

ALWAYS stored the pump in a clean, dry location out of the

reach of children.

■

ALWAYS use extreme care when operating near obstructions,

on slippery surfaces, grades and side slopes.

■

Unauthorized equipment modifications will void all

warranties.

■

Refer to the

Engine Owner's Manual

for engine technical

questions or information.

■

Before start-up, check the hopper and remove all obstructions.

■

Keep all hands out of the hopper when the engine is running.

■

DO NOT operate the pump with the hood open.

■

Replace any worn or damaged pump components

immediately.

■

ALWAYS turn the engine

OFF

before performing must be

before performing maintenance.

■

ALWAYS make sure pump is correctly secured to the trailer.

Check all supports attaching the pump to the trailer and make

sure they are tight.

■

ALWAYS make sure that the pump's trailer is placed on solid

level ground so that it cannot slide or shift around, endangering

workers. Place blocks under the trailer's bumper to make it

level (prevents tipping), and use a chocked block underneath

the wheels to prevent rolling. Also keep the immediate area

free of bystanders.

■

Before towing, check the hitch and secure the safety chain to

the towing vehicle. Also check for proper tire pressure.

■

Tow only with a vehicle and hitch rated to tow a 2,950 lbs.

(1,338 Kg) load.

■

If pump is equipped with ball hitch coupler, use only a 2” all

steel ball rated for a minimum of 5000 lbs. Use a 1” hardened

steel pull pin, if the pump is equipped with a pin hitch.

■

ALWAYS check the machine for loosened threads or bolts

before starting.

■

A copy of this manual shall accompany the pump at all times.

■

DO NOT use worn out hoses or couplings; inspect daily.

■

DO NOT disconnect the hose couplings or nozzle while they

are under pressure. Relieve the pressure by manually

swinging the clamp arm latch handle to the first open position

at the exhaust cone outlet.

■

The pump should NEVER be towed in excess of 45 MPH (or

less depending on road conditions).

■

If hose lines are

blocked

for any reason, or if the lines are

kinked

when starting up or during pumping cycle, the pump

pressure could straighten out the kink or force out the blockage.

This rapid surge of material could cause the lines to

move or

whip

in a manner that could cause injury to personnel.

■

Inspect the hose lines at all times

■

DO NOT tow the pump with the hopper full of material.

■

DO NOT tow the pump with the hoses attached.

■

NEVER disconnect any

emergency or safety devices

These devices are intended for operator safety. Disconnection

of these devices can cause severe injury, bodily harm or even

death! Disconnection of any of these devices will void all

warranties.

■

ALWAYS make sure the delivery system used, pipe hose,

clamps etc., exceed teh rated pressure of teh pump. In addition,

the pumping system should be checked for worn components

prior to start up. Use snap pins on all snap couplings.

MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21) — PAGE 11

Emergencies

■

ALWAYS know the location of the nearest

fire extinguisher

and

first aid kit

. Know the location of the nearest telephone.

Also know the phone numbers of the nearest

ambulance

doctor

and

fire department

. This information will be

invaluable in the case of an emergency.

Maintenance Safety

■

NEVER lubricate components or attempt service on a running

machine.

■

ALWAYS allow the machine a proper amount of time to cool

before servicing.

■

Keep the machinery in proper running condition.

■

Fix damage to the machine immediately and always replace

broken parts.

■

Dispose of hazardous waste properly. Examples of potentially

hazardous waste are used motor oil, fuel and fuel filters.

■

DO NOT use food or plastic containers to dispose of

hazardous waste.

■

DO NOT pour waste, oil or fuel directly onto the ground,

down a drain or into any water source.

Lifting

■

The pump has an operating weight of approximately 2,950

lbs. (1,338 Kg). Use lifting equipment capable of lifting this

weight.

RULES FOR SAFE OPERATION

PAGE 12 — MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21)

TOWING GUIDELINES

To reduce the possibility of an accident while transporting the

pump on public roads, always make sure that the trailer and the

towing vehicle are in good operating condition and both units

are mechanically sound.

The following list of suggestions should be used when towing

the pump:

■

Make sure that the hitch and coupling of the towing vehicle

are rated equal to, or greater than the trailer "gross vehicle

weight rating" (GVWR).

■

ALWAYS inspect the hitch and coupling for wear. NEVER

tow the light tower's trailer with defective hitches, couplings,

chains etc.

■

CHECK the tire air pressure on both the towing vehicle and

the trailer. Also check the tire tread wear on both vehicles.

■

ALWAYS make sure the trailer section of the pump is

equipped with a "Safety Chain".

■

ALWAYS attach trailer's safety chain to frame of towing

vehicle.

■

ALWAYS make sure that the vehicle and trailer directional,

backup, brake, and trailer lights are connected properly and

are working properly.

■

Remember in most cases the maximum speed unless

otherwise posted for highway towing is 45 MPH, however

before towing your pump, check your local state, and county

vehicle towing requirements. Recommended off-road towing

is not to exceed 10 MPH or less depending on type of terrain.

■

Place

chocked blocks

underneath wheel to prevent

rolling,

while parked.

■

Depending on soil conditions and location it may be

necessary to place

support blocks

underneath the trailer's

bumper to prevent

tipping

, while parked.

■

Inflate tires to correct pressure, inspect tires for cuts, and

excessive wear. See Table 3 (Tire Wear Troubleshooting).

Towing Safety Precautions

Pump Trailer Vehicle Connection

1. Check the vehicle hitch ball, and trailer coupler for signs of

wear or damage. Replace any parts that are worn or

damaged before towing.

2. Use only the 2-inch ball diameter with a towing capability of

5,000 lbs. (2,268 kg) as indicated on the trailer's coupler.

Use of any other ball diameter will create an extremely

dangerous condition which can result in separation of the

coupler and ball or ball failure.

3. Be sure the coupler is secured to the hitch ball and the lock

lever is down (locked).

4. Attach safety chains as shown in Figure 2. Remember to

cross

the safety chains.

5. After towing for about 50 miles recheck the entire towing

system for tightness.

Recommended Maintenance

1. Smear ball socket and clamp face with chassis grease.

Periodically oil pivot points and were surfaces of coupler

with SAE 30 W motor oil.

2. When parking or storing the concrete pump, keep the coupler

off the ground so dirt and other debris will not build up in the

ball socket.

■

Check wheel mounting lug nuts with a torque wrench.

Torque wheel lug nuts as described in the "

Lug Nut Torque

Requirements

", Table 5.

■

Make sure brakes are synchronized and functioning properly.

■

Check tightness of suspension hardware (nuts and bolts).

■

Avoid sudden stops and starts. This can cause skidding, or

jackknifing. Smooth, gradual starts and stops will improve

gas milage.

■

Avoid sharp turns to prevent rolling.

■

Retract wheel stand when transporting.

■

DO NOT transport pump with fuel in the fuel tank.

If the trailer coupler is deformed replace entire coupler. NEVER

tow the pump with a defective trailer coupler. There exist the

possibility of the trailer separating from the towing vehicle.

Check with your county or state safety towing regulations

department before towing your concrete pump.

CAUTION - Local Towing Regulations

CAUTION -

Never Use Defective Couplers

MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21) — PAGE 13

TOWING GUIDELINES

Figure 2. Towing Applications

Figure 2 shown below illustrates the typical towing application

that should be used when towing the pump.

PAGE 14 — MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21)

TRAILER SAFETY GUIDELINES

This section is intended to provide the user with trailer service

and maintenance information. Remember periodic inspection of

the trailer will ensure safe towing of the equipment and will

prevent damage to the equipment and personal injury.

It is the purpose of this section to cover the major maintenance

components of the trailer. The following trailer components will

be discussed in this section:

■

Tires

■

Lug Nut Torquing

■

Suspension

■

Electrical

Trailer Safety Precautions

ALWAYS make sure that the trailer is in good operating condi-

tion. Check the tires for proper inflation and wear. Also check the

wheel lug nuts for proper tightness.

CAUTION -

General Trailer Safety

The following list defines the major trailer components:

1. Fuel Cell – Provides an adequate amount of fuel for the

equipment in use. Fuel cells must be empty when transport-

ing equipment.

2. Frame Length – This measurement is from the ball hitch to

the rear bumper (reflector).

3. Frame Width – This measurement is from fender to fender.

4. Jack Stand – Trailer support device with maximum pound

requirement from the tongue of the trailer.

5. Coupler – Type of hitch used on the trailer for towing. This unit

employes a 2 in. ball.

6. Tires Size – Indicates the diameter of the tire in inches (10,

12, 13, 14, etc. ), and the width in millimeters (175, 185, 205

etc.). The tire diameter must match the diameter of the tire rim.

This unit employes 7.35 x 14 in. tires.

7. Tires Ply – The tire ply (layers) number is rated in letters:

2-ply, 4-ply, 6-ply, 8-ply, 10-ply etc. This unit employes

4-ply tires.

8. Wheel Hub – The wheel hub is connected to the trailer's axle.

9. Tire Rim – Tires are mounted on a tire rim. The tire rim must

match the size of the tire.

10. Lug Nuts – Used to secure the wheel to the wheel hub.

Always use a torque wrench to tighten down the lug nuts. See

Table 5 and Figure 4 for lug nut tightening and sequence. This

unit employes 5 lug nuts to secure the wheel to the hub.

11. Axle – This trailer employs a torsion bar type suspension,

which can support 3,500 lbs.

12. Electrical – Electrical connectors (looms) are provided with

the trailer so that brake lights and turn signal lights can be

connected to the towing vehicle. See

Trailer Wiring Diagram

for proper wiring connections.

MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21) — PAGE 15

Tires/Wheels/Lug Nuts

Tires and wheels are a very important and critical components

of the trailer. When specifying or replacing the trailer wheels it is

important the wheels, tires, and axle are properly matched.

TRAILER SAFETY GUIDELINES

DO NOT attempt to repair or modify a wheel. DO NOT install

an inter-tube to correct a leak through the rim. If the rim is

cracked, the air pressure in the inter-tube

may cause pieces of the rim to explode

(break-off) with great force and can cause

serious eye or bodily injury.

ALWAYS

wear safety glasses when

removing or installing force fitted

parts. Failure to comply may result in

serious injury.

Figure 3. Major Suspension Components

Torsion Bar Suspension

The torsion bar suspension and associated hardware

(Figure 3) should be visually inspected every 6,000 miles for

signs of excessive wear, elongation of bolt holes, and loosening

of fasteners. Replace all damaged parts (suspension) immedi-

ately.

NOTE

Tires Wear/Inflation

Tire inflation pressure is the most important factor in tire life.

Pressure should be checked cold before operation. DO NOT

bleed air from tires when they are hot. Check inflation pressure

weekly during use to insure the maximum tire life and tread wear.

Table 3 (Tire Wear Troubleshooting) will help pinpoint the causes

and solutions of tire wear problems.

CAUTION -

General Trailer Safety

PAGE 16 — MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21)

Lug Nut Torque Requirements

It is extremely important to apply and maintain proper wheel

mounting torque on the trailer. Be sure to use only the fasteners

matched to the cone angle of the wheel. Proper procedure for

attachment of the wheels is as follows:

1. Start all wheel lug nuts by hand.

2. Torque all lug nuts in sequence (Figure 4). DO NOT torque

the wheel lug nuts all the way down. Tighten each lug nut in

3 separate passes as defined by Table 4.

3. After first road use, retorque all lug nuts in sequence. Check

all wheel lug nuts periodically.

TRAILER SAFETY GUIDELINES

NEVER!

use an pneumatic air gun

to tighten wheel lug nuts.

Figure 4. Wheel Lug Nuts Tightening Sequence

stnemeriuqeReuqroTeriT.5elbaT

eziSleehWssaPtsriF

SBL-TF

ssaPdnoceS

SBL-TF

ssaPdrihT

SBL-TF

"2152-0204-5356-05

"3152-0204-5356-05

"4152-0206-05021-09

5152-0206-05021-09

"6152-0206-05021-09

NOTE

MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21) — PAGE 17

NOTES

PAGE 18 — MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21)

OPERATION AND SAFETY DECALS

Figure 5. Operation and Safety Decals

Figure 5 display's the operation and safety decals as they appear on the concrete pump, should any of these decals become

damaged or unreadable, contact the Multiquip Parts Department for a replacement set.

1. Before setup and operation of this equipment, the designated operator

MUST read and completely understand the operating instruction manual.

2. Keep unauthorized and untrained people away from the machine during

operation.

3. Do NOT operate unit with engine cover open: rotating or moving parts will

cause serious injury. ( An automatic shutdown switch has been

installed on the hood to prevent this.

4. Engine must be shut off before servicing.

5. Keep hands out of hopper when engine is running.

6. Check hopper for obstructions before operating machine.

7. This machine is remotely controlled and may start at any time.

8. Stop the engine before adding fuel or oil.

CAUTION !

508594

LOW

NORMAL

Before starting engine, check that the oil level

inside the “ ” is within the indicated

operating range. Recommended oil type SAE 30.

LUBE BOX

1”

CAUTION

DCL 152

C-30HDZ

P/N 508594

P/N 513119

P/N DCL152

P/N EM1028

GREASE DAILY, EVERY ZERK

Use No. 2 Multipurpose Automotive Grease

MAINTENANCE

513165

P/N EM513165

NAMEPLATE

CONTACT PARTS DEPT.

P/N EM932

When the pump, manifold or delivery system

plugs, do not disconnect the delivery system

clamps or open the manifold. A plug has

occurred when the pump is running but no

concrete is discharging from the end of the

delivery system: immediately switch the engine

OFF consult your operatingadinstruction

manual before proceeding.

Great care must be taken to clear a plug

as a dangerous condition exist, due to high

pressure build-up, inside the pump and delivery

system.

CAUTION

932

OWNER’S MANUAL

P/N 34536

Refer to the owner’s manual for safe

operating procedures.

Welding on the main frame or other

components may void warranty.

Refer to owner’s manual for proper use

of the piston lubrication sytems.

Failure to utilize the rear stabilizer leg

while pumping could damage axle.

WARNING

98022

P/N 98022

quartz

310-537-3700

800-421-1244 NATIONWIDE

FAX: 310-537-3927

MAYCO INC 18910

WILMINGTON AVENUE CARSON,

CALIFORNIA 90746

513163

OIL PRESSURE

BATTERY

OIL

TEMPERATURE

PUMPING CONTROL

REMOTE

OUTLET

ENGINE HOURS

PUMP

OFF REMOTE

OFF

START

IGNITION

SWITCH

THROTTLE

P/N 513163

MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21) — PAGE 19

IMPORTANT HAND SIGNALS

Figure 6. Operation Hand Signals

Figure 6 display's the basic hand signals commonly used in concrete pumping operations.

PAGE 20 — MAYCO C30HDZ PUMP — OPERATION MANUAL — REV. #14 (01/12/21)

PUMP COMPONENTS

Figure 7. Major Pump Components

MAYC0

C-30HDZ

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MQ Multiquip C30HDZ Operating instructions

Brand: MQ Multiquip

Model: C30HDZ

Type: Operating instructions

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MQ Multiquip C30HDZ Operating instructions

MQ Multiquip C30HDZ Operating instructions

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